MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a tactic to distribute or obscure malicious links. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malicious content distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.jobsincrete.gr/images/_user_na/file/sewasamaw.pdf
- http://candientushinko.com/images/file/xagimabasujow.pdf
- https://vntdc.com/upload/fck/file/5081982171.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1f6dc31af---dekuda.pdf
- https://budapestpainter.hu/ckfinder/userfiles/files/kavuxotelotozowakuwa.pdf
- http://gpn1971.org/clients/a/a2/a25689677492d603657f1241a2a69ea8/File/fixunisafu.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/b32ecea257173978eb50f6b299da0d2f/2635358442.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b918c37e67---wavufiwomaj.pdf
- https://doucetplasticsurgery.com/ckfinder/userfiles/files/desakuvegotejigegeli.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750e11c78a4---zizuwolarufologe.pdf
- http://pgnsualumni.com/clients/872691/File/57035060634.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/5acb079293136ac37c2f77505fafaced/75025043062.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607410d5df702---xazawiwibaguweleda.pdf
- http://vstarmp.cn/upload/files/20210710_142116.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/578ad337cb3d9a3efe8337a7cda962c7/semopovibadubuj.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/3lo03b1dn5o3oarr28amulls7b/sorabavoxabujaranixas.pdf
- http://spc1991.com/ckfinder/userfiles/files/22881705272.pdf
- http://veraschwemmle.de/fckdata/file/69892003419.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d86ada8e621---kadezuf.pdf
- http://rheinmotel.com/userfiles/file/39059380427.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c1fb48d38---28285474013.pdf
- http://fitsiluet.cz/data/file/15291373044.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609697fd2cd3e---27748319440.pdf
- https://teyadegitimvideo.com/calisma2/files/uploads/nivejalorojananisikupogir.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=example+of+asexual+animals
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f015.bin3eb69527226f983489688b8fa3783e3091f2afad94f31dcd711d009d638f37d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF015 | 10504 bytes |
font_01_sfnt_off000107ec.bin4cd6133e6ec4eb8e63bd31bc5f7815df99095b97cbd3a44327f6a699a03961fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107EC | 17600 bytes |
font_02_sfnt_off0001355e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1355E | 16792 bytes |
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